Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
08/1995
08/10/1995WO1995021140A1 Method for processing semi-liquid manure and the device to be used
08/10/1995WO1995021136A1 Method for purifying an organic waste-containing medium
08/10/1995WO1995021134A1 Water treatment method and apparatus
08/10/1995WO1995021133A1 Ozone/water contactor
08/10/1995WO1995021132A1 Method for recovering metals from solutions
08/10/1995WO1995021131A1 Magnetohydrodynamic device
08/10/1995WO1995021130A1 Process and device for thermally separating components of a liquid
08/10/1995WO1995021128A1 Process of preparing ferric sulfate
08/10/1995WO1995021034A1 Process for soil decontamination by oxidation and vacuum extraction
08/10/1995WO1995021011A1 Magnetic particles, a method for the preparation thereof and their use in the purification of solutions
08/10/1995WO1995021010A1 Optimised process for the regeneration of streams of steam-based vapours
08/10/1995DE4407064C1 Vorrichtung zur Gasblasenflotation Apparatus for Gasblasenflotation
08/10/1995DE4403682A1 Automatic pH adjustment loops for potable water treatment plant
08/10/1995DE4403631A1 Assembly heats drinking water supply used for showers and baths
08/10/1995DE4403376A1 Plastic bridge assembly holds permanent magnets to plastic tap water pipe
08/10/1995CA2187171A1 Magnetohydrodynamic device
08/10/1995CA2182885A1 Magnetic particles, a method for the preparation thereof and their use in the purification of solutions
08/10/1995CA2182802A1 Water treatment method and apparatus
08/09/1995EP0666577A1 Magnetic particles, a method for the preparation thereof and their use in the purification of solutions
08/09/1995EP0666242A1 Electrodialysis treatment
08/09/1995EP0665835A1 Oligomeric heterocyclic salts and their use as antimicrobial agents in swimming pools and spas
08/09/1995EP0665819A1 Odour controlled waste water treatment system
08/09/1995EP0651726A4 BOILER OPERATION WITH DECREASED NO x? AND WASTE WATER DISCHARGE.
08/09/1995EP0594806A4 Composition and method for scavenging oxygen.
08/09/1995EP0525166B1 Composition and methods for removing or preventing biofilm
08/09/1995EP0525011B1 Portable water purification system
08/09/1995EP0495019B1 Sanitation system
08/09/1995CN2204794Y Antiseptic cup with sodium hypochlorite
08/09/1995CN2204793Y Magnetizer with powerful magnetic field
08/09/1995CN2204634Y Flowing water purifier
08/09/1995CN1106362A Air oxydation process for removing iron from aqueous solution and its products
08/09/1995CN1106361A Treatment of Cr-bearing waste water
08/09/1995CN1106360A Electronic water magnetizing device
08/09/1995CN1029467C Method for purifying sulfur-bearing sodium cyanate waste liquid
08/09/1995CA2141655A1 Treatment method for removing arsenic from arsenic contaminated water
08/08/1995US5440131 Wiper assembly for ultraviolet-light reactor tubes
08/08/1995US5439652 Use of controlled periodic illumination for an improved method of photocatalysis and an improved reactor design
08/08/1995US5439641 Undecylenate deodorization of paper mill effluents
08/08/1995US5439599 Process for treating photographic effluents by means of ultraviolet radiation and hydrogen peroxide
08/08/1995US5439596 Method of producing pure water, system therefor and cleaning method therefor
08/08/1995US5439595 Water decontamination method using peroxide photolysis ionizer
08/08/1995US5439594 Under vacuum
08/08/1995US5439592 Acidification; water-wet ultrafiltration; reverse osmosis
08/08/1995US5439590 Adding rubber derived from tires as sorbent to reduce concentration of waste material, biodegrading waste material, sorbent desorbing waste as waste in solution is degraded
08/08/1995US5439584 System for reducing consumption of fresh water and energy costs used in a photofinishing operation
08/08/1995US5439577 Novel electrode which is capable of operation at sufficiently positive anodic potential to produce hydroxyl radicals; water treatment
08/08/1995US5439576 Apparatus for the sterilization of water
08/08/1995US5439567 Process for treatment of a fluid and apparatus therefor
08/08/1995US5439566 Scale control device and method
08/08/1995US5439564 Method of processing organic quaternary ammonium hydroxide-containing waste liquid
08/08/1995US5439560 Low pressure evaporation concentrating apparatus for a photographic process waste disposl
08/08/1995US5438843 Means for liquid purification by batch crystallization
08/03/1995WO1995020543A1 Unit for treating water by ozonation, and corresponding ozonised water production apparatus
08/03/1995WO1995020430A1 Solids separator boundary layer effect filtration system
08/03/1995DE4402883A1 Optimiertes Verfahren zur Aufarbeitung von wasserdampfbasierten Brüdenströmen Optimized process for working up steam vapor streams based
08/02/1995EP0664771A1 Process for treating industrial waste waters with low concentrations of toxic organic pollutants.
08/02/1995EP0664770A1 Method and apparatus for treating liquids
08/02/1995EP0664769A1 Process for separating a hydrophobic liquid from a liquid contaminated therewith
08/02/1995EP0494861B1 Process for treatment of water and apparatus therefor
08/02/1995CN2204297Y Electrostatic treatment device for reservoir
08/02/1995CN2204296Y Dialyzing water-purifying treatment device
08/02/1995CN2204295Y Skimming machine
08/02/1995CN1105954A Nutrition water
08/02/1995CN1105953A Method and equipment of treating waster chromium-plating water under alkaline condition
08/02/1995CN1105952A Recovery and utilization method of waste salt solution
08/02/1995CN1105899A Iron cage dam (or dyke) technology for purification of waste water
08/02/1995CN1105835A Full-nutrient mineral water
08/02/1995CA2132928A1 Ozone/water contactor
08/01/1995US5437847 Method of separating and recovering ruthenium from high-level radioactive liquid waste
08/01/1995US5437798 Preheating water, mixing with fuel, directing mixture and oxygenous fluid to supercritical zone in reactor surrounded with bypass flow of cooling water, reacting to form flame, entraining reaction products in cooling water, removing
08/01/1995US5437797 Filtration; decolorizing; chelating both organic and inorganic mercury compounds with a macroporous, cross-linked polystyrene resin having polyisothiouronium groups
08/01/1995US5437793 Coagulant for oil glyceride/isobutyl methacrylate composition and method of use
08/01/1995US5437792 Process of recovering silver from photographic solutions
08/01/1995US5437791 Method for purifying process water from pulp manufacture
08/01/1995US5437790 Treating photographic effluent with hydrogen peroxide and an alkaline earth metal salt to form a precipitate; diatomaceous earth filtering aid
08/01/1995US5437785 Apparatus for dissolved gas flotation in anaerobic wastewater treatment
08/01/1995US5437776 Process for reducing the phosphorus content of waste water
07/1995
07/27/1995WO1995019938A1 Wastewater treatment process
07/27/1995WO1995019937A1 Plant that purifies water from iron and manganese by aeration and filtration
07/27/1995WO1995019936A1 Liquid purification apparatus
07/27/1995WO1995019842A1 Oil-absorbing article
07/27/1995DE4433784A1 Twin electrical coils wound around water pipe conduct alternating and direct electrical currents
07/27/1995DE4402194A1 Alkali(ne earth) metal salt sepn. from aq organic aprotic solvent
07/27/1995CA2181071A1 Oil-absorbing article
07/26/1995EP0664302A2 Process for preparing polymer dispersions with low viscosit in one or more steps
07/26/1995EP0663851A1 Water purification and dispensing system
07/26/1995EP0591370B1 Method for the preparation of sulphate-containing basic poly(aluminium chloride) solutions
07/26/1995EP0567579B1 Modular unit for a tubular ultrasonic reactor
07/26/1995EP0540698B1 Device for removing dirt particles from water
07/26/1995CN2203971Y Automatic jetting device for adding ammonia
07/26/1995CN2203970Y High efficiency water disinfecting apparatus with low cost
07/26/1995CN1105797A Flocculant composition for removing trihalomethane and its precursors
07/26/1995CN1105702A Magnetization treatment process for liquid material
07/26/1995CN1105653A Utilization and treatment method for industrial waste water
07/26/1995CN1105649A Porous material for water treatment
07/26/1995CN1105648A Method for treatment of waste water or sewage
07/25/1995US5436268 Isothiocyanic acid ester and liquids for germicides
07/25/1995US5435969 Monitoring water treatment agent in-system concentration and regulating dosage
07/25/1995US5435922 Method of removing color from waste water using an aqueous dispersion polymer
07/25/1995US5435921 Vinylamine polymers and coagulants for removing color from paper mill effluents